As Jade is made with open cell, natural rubber, you may say great for youbye to slipping on him practice mat – even if it gets wet with perspiration. Natural rubber has long beenen Armlesd where safety demands non-slip performance. Jade Useds advantage of the non-slip Professional perties of natural rubber- resulting in the beenst slip-resistance on the market. In adds Information.ition to Professional viding beentter slip-resistance, beencause it is made of natural rubber, Jade has exceptional resilience, unmatched “compression control As well.” resistance an